Ecopetrol S.A. Sample Contracts

ECOPETROL S.A. AND JPMORGAN CHASE BANK, N.A., As Depositary AND HOLDERS OF AMERICAN DEPOSITARY RECEIPTS Deposit Agreement Dated as of [DATE] , 2008
Deposit Agreement • September 12th, 2008 • Ecopetrol S.A. • Drilling oil & gas wells • New York

DEPOSIT AGREEMENT dated as of [DATE] , 2008 (the “Deposit Agreement”) among ECOPETROL S.A. and its successors (the “Company”), JPMORGAN CHASE BANK, N.A., as depositary hereunder (the “Depositary”), and all holders from time to time of American Depositary Receipts issued hereunder (“ADRs”) evidencing American Depositary Shares (“ADSs”) representing deposited Shares (defined below). The Company hereby appoints the Depositary as depositary for the Deposited Securities and hereby authorizes and directs the Depositary to act in accordance with the terms set forth in this Deposit Agreement. All capitalized terms used herein have the meanings ascribed to them in Section 1 or elsewhere in this Deposit Agreement. The parties hereto agree as follows:

Registration Rights Agreement Dated as of July 23, 2009 among Ecopetrol S.A. and Barclays Capital Inc.
Registration Rights Agreement • July 31st, 2009 • Ecopetrol S.A. • Crude petroleum & natural gas • New York

This Registration Rights Agreement (the "Agreement") is made and entered into this 23rd day of July, 2009, among Ecopetrol S.A., a mixed economy company duly established and validly existing under the laws of Colombia (the "Company"), Barclays Capital Inc. ("Barclays") and J.P. Morgan Securities Inc. ("JP Morgan") (collectively, the "Initial Purchasers").

Ecopetrol S.A. Underwriting Agreement
Underwriting Agreement • October 21st, 2024 • Ecopetrol S.A. • Crude petroleum & natural gas • New York

Ecopetrol S.A. (the “Issuer”), a mixed-economy company duly established and validly existing under the laws of the Republic of Colombia (“Colombia” or the “Republic”), proposes to issue and sell to BBVA Securities Inc. (“BBVA”), J.P. Morgan Securities LLC (“J.P. Morgan”) and Santander US Capital Markets LLC (“Santander” and together with BBVA and J.P. Morgan, each an “Underwriter” and, together, the “Underwriters”) U.S.$1,750,000,000 aggregate principal amount of the Issuer’s 7.750% Notes due 2032 (the “Securities”). The Securities will be issued pursuant to an indenture, dated as of July 23, 2009, between the Issuer and The Bank of New York Mellon, as trustee, registrar, paying agent and transfer agent (the “Trustee”), as amended by Amendment No. 1 to the indenture, dated as of June 26, 2015, between the Issuer and the Trustee (the “Indenture”), and an officer’s certificate of the Issuer pursuant to Section 301 of the Indenture establishing terms of the Securities, to be dated as of t

LOAN AGREEMENT among ECOPETROL S.A., as Borrower, THE LENDERS PARTY HERETO, and BANCO BILBAO VIZCAYA ARGENTARIA, S.A. NEW YORK BRANCH, as Administrative Agent, and THE BANK OF NOVA SCOTIA, BBVA SECURITIES INC., BANK OF AMERICA, N.A., JPMORGAN CHASE...
Loan Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

This LOAN AGREEMENT (together with the Schedules and Exhibits attached hereto, this “Agreement”), dated as of April 12, 2024 is made by and among Ecopetrol S.A., a mixed economy company organized and existing under the laws of Colombia (the “Borrower”); the Lenders (as defined below) and Banco Bilbao Vizcaya Argentaria, S.A. New York Branch, as administrative agent (the “Administrative Agent”). Capitalized terms used herein shall be defined as provided in Section 1.

AMENDMENT No. 3 TO THE TRANSPORT AGREEMENT ENTERED INTO BETWEEN OLEODUCTO CENTRAL S.A. OCENSA AND THE SHIPPER AMENDMENT No. 3 TO THE TRANSPORT AGREEMENT
Transport Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

Between the undersigned OLEODUCTO CENTRAL S.A., a company legally incorporated and existing pursuant to the laws of the Republic of Colombia, with its main domicile in the city of Bogotá D.C., represented in this act by JOSE ALEJANDRO ALZATE GIRALDO, of legal age, identified as shown below his signature, as attorney-in-fact, and duly authorized to enter into this Amendment, on the one hand, (the “Carrier”) and ECOPETROL S.A. a mixed economy company, represented in this act by REYNALDO PLATA CARREÑO, identified with citizenship card No. 91,489,924 of Bucaramanga, who acts in his capacity as Head of the Logistics Contracting Department, who is authorized to sign this Amendment, (the “Shipper” and together with the Carrier the “Parties”), have decided to execute this Amendment No. 3 (hereinafter the “Amendment”) to the Transport agreement (hereinafter the “Transport Agreement” or the “Agreement”).

LOAN AGREEMENT dated as of September 30, 2024 by and between ECOPETROL S.A. as Borrower, and Sumitomo Mitsui Banking Corporation, as Lender
Loan Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

This LOAN AGREEMENT (together with the Schedules and Exhibits attached hereto, this “Agreement”), dated as of September 30, 2024, is made by and between Ecopetrol S.A., a mixed economy company organized and existing under the laws of Colombia (the “Borrower”) and Sumitomo Mitsui Banking Corporation (together with each assignee thereof which becomes a Lender pursuant to an Assignment and Assumption and their respective successors, but excluding any such Person that ceases to be a party hereto pursuant to an Assignment and Assumption, the “Lender”, individually or collectively, as the context may require). Capitalized terms used herein shall be defined as provided in Section 1.

SUPPLEMENTARY AGREEMENT TO TRANSPORTATION AGREEMENT BETWEEN OLEODUCTO CENTRAL S.A. OCENSA AND ECOPETROL S.A. SUPPLEMENTARY AGREEMENT TO TRANSPORTATION AGREEMENT DATED MARCH 31, 1995
Supplementary Agreement to Transportation Agreement • April 29th, 2013 • Ecopetrol S.A. • Crude petroleum & natural gas

The undersigned, OLEODUCTO CENTRAL S.A., a company legally organized and existing under the laws of the Republic of Colombia, with its principal place of business in the city of Bogotá D.C., represented in this transaction by OSCAR TRUJILLO, identified as it appears below his signature and duly authorized to enter into this Supplementary Agreement, as one party (the “Carrier”), and ECOPETROL S.A., a company legally organized and existing under the laws of the Republic of Colombia, with its principal place of business in the city of Bogotá D.C., represented in this transaction by PEDRO ROSALES NAVARRO, identified as it appears below his signature and duly authorized to enter into this supplementary agreement to the Contract, as the other party ( the “Original Shipper” and, together with the Carrier, the “Parties”), have agreed to enter into this supplementary agreement based upon the following:

Ecopetrol and Occidental complete investment agreement in the US Permian Basin
Joint Venture Agreement • November 13th, 2019 • Ecopetrol S.A. • Crude petroleum & natural gas

Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (“the Company”) informs that today it completed the joint venture transaction announced last July 31, 2019. Through this deal, the Company and Occidental Petroleum Corp (NYSE: OXY) agreed to form a strategic alliance or Joint Venture (“JV”) for the development of unconventional reservoirs in approximately 97,000 acres of the Permian Basin in the State of Texas (US).

​ Amendment No. 22 to the Products Service Framework Agreement
Products Service Framework Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

This Amendment No. 22 to the Products Servicer Framework Agreement (the “Amendment”) is formalized on April nine (9), 2024 (the “ Date of Execution”) by the following legal entities (hereinafter, the “Parties” and, each of them, a “Party” or the “Party”):

MASTER CRUDE OIL SERVICE CONTRACT
Master Crude Oil Service Contract • April 29th, 2013 • Ecopetrol S.A. • Crude petroleum & natural gas

This contract (hereinafter the “Master Service Contract”) for the transportation of Crude Oil, storage of Crude Oil, unloading of Crude Oil from tank trucks, loading services for Crude Oil at Ports and loading of Crude Oil into tank trucks for ECOPETROL Crude Oil (term defined in Clause 34 of the General Conditions of this Master Service Contract), is signed this first (1st) day of April, 2013 (hereinafter the “Date of Signature”), by and between,

FORM OF EXCHANGE AGENT AGREEMENT
Exchange Agent Agreement • August 31st, 2009 • Ecopetrol S.A. • Crude petroleum & natural gas • New York

Ecopetrol S.A., a mixed economy company organized and existing under the laws of the Republic of Colombia (the “Company”), proposes to make an offer (the “Exchange Offer”) to exchange up to US$1,500,000,000 aggregate principal amount of its registered 7.625% Notes due 2017 (the “New Notes”), for a like principal amount of its outstanding unregistered 7.625% Notes due 2017 (the “Old Notes”). The Old Notes were issued and the New Notes will be issued under an indenture dated as of July 23, 2009, among the Company and The Bank of New York Mellon, as Trustee. The terms and conditions of the Exchange Offers as currently contemplated are set forth in a prospectus dated [•], 2008 (the “Prospectus”), forming a part of the registration statement of the Company on Form F-4 (File No. 333-160965), as amended, (the “Registration Statement”) filed with the Securities and Exchange Commission (the “SEC”) which is proposed to be distributed to all record holders of the Old Notes who acquired such Old N

Amendment No. 4 TO THE BICENTENARIO TRANSPORT AGREEMENT
Bicentenario Transport Agreement • April 29th, 2016 • Ecopetrol S.A. • Crude petroleum & natural gas

This Amendment No. 4 to the Oil Transport Agreement entered into by the Parties on June 20, 2012 (the "Amendment No. 4 is entered into on this date April 6, 2015 (the "Date of Amendment" by the following parties (the "Parties to the Amendment" and each one of them a "Party to the Amendment" or the "Party to the Amendment"):

AMENDMENT No. 24 TO THE BICENTENARIO TRANSPORT AGREEMENT
Bicentenario Transport Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

This Amendment No. 24 (hereinafter, the “Amendment”) to the Bicentenario Transport Agreement is entered into by the following parties:

TRANSPORTATION AGREEMENT dated as of March 31, 1995 between OLEODUCTO CENTRAL S.A. and [NAME OF INITIAL SHIPPER]
Transportation Agreement • September 12th, 2008 • Ecopetrol S.A.
Contract
Polymer Grade Propylene Purchase and Sale Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas
FIRST AMENDMENT TO THE LOAN AGREEMENT
Loan Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

This First Amendment, dated as of October 4, 2024 (this “Amendment”), to that certain Loan Agreement, dated as of September 30, 2024, by and among Ecopetrol S.A., as borrower (the “Borrower”) and Sumitomo Mitsui Banking Corporation, as lender (the “Lender”).

Ecopetrol and the USO and Adeco unions agree on new 4 - year collective bargaining agreement
Collective Bargaining Agreement • August 25th, 2014 • Ecopetrol S.A. • Crude petroleum & natural gas

Ecopetrol (BVC: ECOPETROL; NYSE: EC; TSX: ECP) and the unions USO and Adeco have reached an agreement for the signing of a Collective Bargaining Agreement covering a 4-year period, effective as of July 1, 2014.

Ecopetrol and AES Colombia sign an agreement to build the Jemeiwaa Ka’I wind cluster in La Guajira
Investment Framework Agreement • April 14th, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

Ecopetrol signed an Investment Framework Agreement with AES Colombia & CIA SCA E.S.P. (AES Colombia) to build 49% of the Jemeiwaa Ka'I wind cluster located in La Guajira, subject to the fulfillment of condition precedents and other legal requirements.

Master Service Contract for Products
Master Service Contract • April 29th, 2013 • Ecopetrol S.A. • Crude petroleum & natural gas

This agreement (hereafter the “Master Service Contract”) for the transportation of products, storage of products, loading of Products into Tank Trucks and unloading of products in ports for “ECOPETROL Products” (term defined in Clause 33 of the General Conditions of this Master Service Contract), is signed April 1, 2013 (hereafter the “Date of Signature”), by and between,

INTER-ADMINISTRATIVE AGREEMENT FOR THE SALE OF SHARES entered into by: The Nation - Ministry of Finance and Public Credit (The "Seller") and Ecopetrol S.A. (The "Buyer") on August 11, 2021
Inter-Administrative Agreement for the Sale of Shares • April 26th, 2022 • Ecopetrol S.A. • Crude petroleum & natural gas

This interadministrative agreement for the sale of shares (the "Agreement") is entered into on August 11, 2021 (the "Execution Date") between (1) the Nation - Ministry of Finance and Public Credit, with tax identification number 899,999-090-2, represented by José Manuel Restrepo Abondano, of legal age, identified with citizenship card No. 79,521,502, acting in his capacity as Minister of Finance and Public Credit, (the "Seller" or the "Ministry"); and (2) Ecopetrol S.A., a sociedad por acciones, de economía mixta de carácter comercial, del orden nacional, linked to the Ministry of Mines and Energy, with tax identification number 899,999,068 - 1, represented by Felipe Bayon Pardo, of legal age, identified with citizenship card No. 80,407,311 Acting as Chairman and principal legal representative (the "Buyer" or "Ecopetrol" and, in conjunction with Seller, the "Parties" or individually a "Party").

Ecopetrol and Unions agree on a new 4.5 – year collective bargaining agreement
Collective Bargaining Agreement • September 24th, 2018 • Ecopetrol S.A. • Crude petroleum & natural gas

Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) and the USO union have reached an agreement for a Collective Bargaining covering a 4.5-year period, effective as of July 1, 2018. In addition, agreements were also reached with the unions Adeco, Trasine, Utipec, Aproteco, Sindispetrol and Asintrahc.

AMENDMENT No. 2 TO THE BICENTENARIO TRANSPORT AGREEMENT
Bicentenario Transport Agreement • April 29th, 2016 • Ecopetrol S.A. • Crude petroleum & natural gas

This Amendment No. 2 to the Oil transport agreement entered into between the Parties on June 20, 2012 (the "Amendment No. 2") is entered into on this date March 28, 2014 (the "Date of Amendment") by the following persons (the "Parties to the Amendment" and each one of them a " Party to the Amendment" or the "Party to the Amendment"):

AMENDMENT No. 3 TRANSPORT AGREEMENT ENTERED INTO BETWEEN OLEODUCTO CENTRAL S.A. OCENSA AND THE SHIPPER
Transport Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

Between the undersigned OLEODUCTO CENTRAL S.A., a company legally incorporated and existing pursuant to the laws of the Republic of Colombia, with its main domicile in the city of Bogotá D.C., represented in this act by JOSE ALEJANDRO ALZATE GIRALDO, of legal age, identified as shown below his signature, as attorney-in-fact, and duly authorized to celebrate this Amendment, by one party (the “Carrier”) and ECOPETROL S.A. a mixed economy company, represented in this act by REYNALDO PLATA CARREÑO, identified with citizenship card No. 91,489,924 of Bucaramanga, who acts in his capacity as Head of the Logistics Contracting Department, who is authorized to execute this Amendment (hereinafter, the “Amendment”) to the Transport Agreement (hereinafter, the “Transport Agreement” or the “Agreement”).

AMENDMENT NO. 25 TO THE BICENTENARIO TRANSPORT AGREEMENT
Bicentenario Transport Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

This Amendment No. 25 (hereinafter, the “Amendment”) to the Bicentenario Transport Agreement is entered into by the following parties:

​ ​ ​ AMENDMENT NO. 19 CRUDE OIL SERVICES FRAMEWORK AGREEMENT
Crude Oil Services Framework Agreement • April 23rd, 2025 • Ecopetrol S.A. • Crude petroleum & natural gas

This Amendment No. 19 (the “Amendment”) to the Crude Oil Services Framework Agreement (hereinafter, the “Framework Agreement”), is executed on May twenty-eight (28) of two thousand twenty-four (2024) (hereinafter, the “Date of Execution”) by the following legal entities (hereinafter, the “Parties” and, each of them, one “Party” or the “Party”): whereas:

Addendum No. 7 Framework Crude Services Agreement Between CENIT Transporte y Logística de Hidrocarburos S.A.S. and ECOPETROL S.A. Bogotá D.C., December 28, 2016
Framework Crude Services Agreement • May 31st, 2017 • Ecopetrol S.A. • Crude petroleum & natural gas

This Addendum No. 7 (the “Addendum”) to the Framework Crude Services Agreement (the “Agreement”) is entered into on this day, December 28, 2016, by the following legal entities (hereinafter the “Parties”, and each of them a “Party” or the “Party”):